package zack.project.domain.strategy.model.entity;

import zack.project.types.common.Constants;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Data
@Builder
@AllArgsConstructor
@NoArgsConstructor
public class StrategyRuleEntity {
    /** 抽奖策略ID*/
    private Long strategyId;
    /** 抽奖奖品ID【规则类型为策略，则不需要奖品ID】*/
    private Integer awardId;
    /** 抽象规则类型；1-策略规则、2-奖品规则*/
    private Integer ruleType;
    /** 抽奖规则类型【rule_random - 随机值计算、rule_lock - 抽奖几次后解锁、rule_luck_award - 幸运奖(兜底奖品)】*/
    private String ruleModel;
    /** 抽奖规则比值*/
    private String ruleValue;
    /** 抽奖规则描述*/
    private String ruleDesc;


    public Map<String, List<Integer>> getRuleWeightValues(){

        if(!"rule_weight".equals(ruleModel)){
            return null;
        }
        Map<String, List<Integer>> resultMap = new HashMap<String, List<Integer>>();
        String[] ruleValueGroups = ruleValue.split(Constants.SPACE);
        for(String ruleValueGroup : ruleValueGroups){
            if (ruleValueGroup == null || ruleValueGroup.isEmpty()) {
                return resultMap;
            }

            String[] ruleValues = ruleValueGroup.split(Constants.COLON);
            if (ruleValues.length != 2) {
                throw new IllegalArgumentException("rule_weight rule_rule invalid input format" + ruleValueGroup);
            }
            String[] valueStrings = ruleValues[1].split(Constants.SPLIT);
            List<Integer> values = new ArrayList<>();
            for(String valueString : valueStrings){
                values.add(Integer.parseInt(valueString));
            }
        resultMap.put(ruleValueGroup, values);

        }
        return resultMap;
        //最终返回的map里，键是400:102，103，104,值是102，103，104

    }
}
